205068360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{244129}}^1$

素因数の和:244150

約数の個数: 64

約数和(自身を含む): 703094400

約数和(自身を除く): 498026040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 244129, 488258, 732387, 976516, 1220645, 1464774, 1708903, 1953032, 2441290, 2929548, 3417806, 3661935, 4882580, 5126709, 5859096, 6835612, 7323870, 8544515, 9765160, 10253418, 13671224, 14647740, 17089030, 20506836, 25633545, 29295480, 34178060, 41013672, 51267090, 68356120, 102534180, 205068360]

約数ペア:

[(1, 205068360), (2, 102534180), (3, 68356120), (4, 51267090), (5, 41013672), (6, 34178060), (7, 29295480), (8, 25633545), (10, 20506836), (12, 17089030), (14, 14647740), (15, 13671224), (20, 10253418), (21, 9765160), (24, 8544515), (28, 7323870), (30, 6835612), (35, 5859096), (40, 5126709), (42, 4882580), (56, 3661935), (60, 3417806), (70, 2929548), (84, 2441290), (105, 1953032), (120, 1708903), (140, 1464774), (168, 1220645), (210, 976516), (280, 732387), (420, 488258), (840, 244129)]